From e4632da034815fca8930d77fccde37777b16f465 Mon Sep 17 00:00:00 2001
From: MOZGIII <mike-n@narod.ru>
Date: Tue, 23 Oct 2018 14:41:21 +0300
Subject: [PATCH] Added CheckedOutConnections for ConnPoolStat

Closes #468
---
 conn_pool.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/conn_pool.go b/conn_pool.go
index 27ca3531..270b992f 100644
--- a/conn_pool.go
+++ b/conn_pool.go
@@ -41,6 +41,12 @@ type ConnPoolStat struct {
 	AvailableConnections int // unused live connections
 }
 
+// CheckedOutConnections returns the amount of connections that are currently
+// checked out from the pool.
+func (stat *ConnPoolStat) CheckedOutConnections() int {
+	return stat.CurrentConnections - stat.AvailableConnections
+}
+
 // ErrAcquireTimeout occurs when an attempt to acquire a connection times out.
 var ErrAcquireTimeout = errors.New("timeout acquiring connection from pool")